单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．It’s fine as it is.
B．Only a few changes should be made in it.
C．Major revisions are needed in it.
D．It won’t be approved by the supervisor.

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填空题

By saying references are hardly worth the paper they are written on. (Line 6, Para. 1), the author suggests that references only include （）.

填空题

40（）

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。